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Finding the Fourth Proportional to 58,906.95, 81,280.58 and 35,039.49

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Solution

The fourth proportional to 58,906.95, 81,280.58 and 35,039.49 is: 48,347.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,906.95 : 81,280.58 = 35,039.49 : x
  2. Step 2: Convert to fraction form
    58,906.95/81,280.58 = 35,039.49/x
  3. Step 3: Cross multiply
    58,906.95x = 81,280.58 × 35,039.49
  4. Step 4: Simplify right side
    58,906.95x = 2,848,029,894.91
  5. Step 5: Solve for x
    x = 2,848,029,894.91/58,906.95
  6. Step 6: Final answer
    x = 48,347.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.